org.apache.xml.utils
Class SystemIDResolver

java.lang.Object
  |
  +--org.apache.xml.utils.SystemIDResolver

public class SystemIDResolver
extends java.lang.Object

This class is used to resolve relative URIs and SystemID strings into absolute URIs.

This is a generic utility for resolving URIs, other than the fact that it's declared to throw TransformerException. Please see code comments for details on how resolution is performed.

Usage:
**For internal use only**

Constructor Summary
SystemIDResolver()
           
 
Method Summary
static java.lang.String getAbsoluteURI(java.lang.String systemId)
          Take a SystemID string and try to turn it into a good absolute URI.
static java.lang.String getAbsoluteURI(java.lang.String urlString, java.lang.String base)
          Take a SystemID string and try to turn it into a good absolute URI.
static java.lang.String getAbsoluteURIFromRelative(java.lang.String localPath)
          Get an absolute URI from a given relative URI (local path).
static boolean isAbsolutePath(java.lang.String systemId)
          Return true if the local path is an absolute path.
static boolean isAbsoluteURI(java.lang.String systemId)
          Return true if the systemId denotes an absolute URI .
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SystemIDResolver

public SystemIDResolver()
Method Detail

getAbsoluteURIFromRelative

public static java.lang.String getAbsoluteURIFromRelative(java.lang.String localPath)
Get an absolute URI from a given relative URI (local path).

The relative URI is a local filesystem path. The path can be absolute or relative. If it is a relative path, it is resolved relative to the system property "user.dir" if it is available; if not (i.e. in an Applet perhaps which throws SecurityException) then we just return the relative path. The space and backslash characters are also replaced to generate a good absolute URI.

Parameters:
localPath - The relative URI to resolve
Returns:
Resolved absolute URI

isAbsoluteURI

public static boolean isAbsoluteURI(java.lang.String systemId)
Return true if the systemId denotes an absolute URI .
Parameters:
systemId - The systemId string
Returns:
true if the systemId is an an absolute URI

isAbsolutePath

public static boolean isAbsolutePath(java.lang.String systemId)
Return true if the local path is an absolute path.
Parameters:
systemId - The path string
Returns:
true if the path is absolute

getAbsoluteURI

public static java.lang.String getAbsoluteURI(java.lang.String systemId)
Take a SystemID string and try to turn it into a good absolute URI.
Parameters:
systemId - A URI string, which may be absolute or relative.
Returns:
The resolved absolute URI

getAbsoluteURI

public static java.lang.String getAbsoluteURI(java.lang.String urlString,
                                              java.lang.String base)
                                       throws TransformerException
Take a SystemID string and try to turn it into a good absolute URI.
Parameters:
urlString - SystemID string
base - The URI string used as the base for resolving the systemID
Returns:
The resolved absolute URI
Throws:
TransformerException - thrown if the string can't be turned into a URI.


Copyright 2006 Apache XML Project. All Rights Reserved.